EP1179673A2 - Dispositif de recirculation de gaz dans un moteur à combustion - Google Patents

Dispositif de recirculation de gaz dans un moteur à combustion Download PDF

Info

Publication number
EP1179673A2
EP1179673A2 EP01118209A EP01118209A EP1179673A2 EP 1179673 A2 EP1179673 A2 EP 1179673A2 EP 01118209 A EP01118209 A EP 01118209A EP 01118209 A EP01118209 A EP 01118209A EP 1179673 A2 EP1179673 A2 EP 1179673A2
Authority
EP
European Patent Office
Prior art keywords
filter element
filter
combustion engine
internal combustion
exhaust gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01118209A
Other languages
German (de)
English (en)
Other versions
EP1179673A3 (fr
EP1179673B1 (fr
Inventor
Michael Geiger
Thomas Jessberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP1179673A2 publication Critical patent/EP1179673A2/fr
Publication of EP1179673A3 publication Critical patent/EP1179673A3/fr
Application granted granted Critical
Publication of EP1179673B1 publication Critical patent/EP1179673B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/18—Thermal insulation or heat protection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities

Definitions

  • the invention relates to a device for gas recirculation in a Internal combustion engine, in particular exhaust gas or the gas from a crankcase ventilation, according to the preamble of the main claim.
  • the invention has for its object a device for recycling of exhaust gases so that there is no significant pollution more is coming.
  • the task is characterized by the distinctive features of the independent Claim 1 solved.
  • the inventive device of the type specified is in advantageously designed so that in a first embodiment in the connecting line between the exhaust duct and the connection a filter element is arranged in the intake device of the internal combustion engine is. According to a second embodiment, is also more advantageous Way in the connecting line between the connection of a crankcase ventilation and the connection to the suction device of the Internal combustion engine arranged a filter element.
  • Filter medium may preferably be a high temperature resistant medium, e.g. on Stainless steel compact, can be provided.
  • the filter element could be heavily contaminated when it is to be monitored anyway Air filter change interval can also be changed.
  • the filter element can be designed as an inline filter according to an advantageous embodiment or for reasons of assembly also in the exhaust gas recirculation flange of the suction pipe can be integrated.
  • a cyclone can Be filter element upstream. This cyclone removes coarse soot particles and thus contributes to the filter element having a longer service life.
  • a cyclone as a filter element to be used and no additional filter is to be provided. In this case it is advisable to use a multi-cell cyclone, which has a high Has separation performance.
  • a further advantageous embodiment of the invention can be seen in that cleaning is done by electrical energy. Periodically becomes the filter medium by applying an electrical voltage heated to above the burning temperature of the soot and the soot burned.
  • the Combustion gases can enter the exhaust duct via a corresponding line be fed to the internal combustion engine.
  • Another alternative to switching the filter element is available through an electrostatic precipitator. This has a very high separation performance and a low ⁇ p. Even the electrostatic separator can be cleaned by heating.
  • a further development of the invention is the use of an easy-change filter for the filter element. So that the exchange of the filter element within a certain maintenance cycle can easily be done is the filter element arranged in a removable filter.
  • This easy-change filter is similar to a spin-on oil filter and can be easily used, for example dispose of thermally.
  • Embodiments of the device for exhaust gas recirculation according to the invention in an internal combustion engine is based on the following figures explained.
  • Figure 1 is a section through a device 1 for cooling exhaust gas with an exhaust gas recirculation 2 for an internal combustion engine, not shown here shown.
  • the exhaust gas flows through in the recirculation 3 according to the arrow a filter element 4 to a connecting flange 5 on the not shown here Intake device 6 of the internal combustion engine.
  • the returned gas is freed of soot by the filter element 4 and only the cleaned hot exhaust gas to the internal combustion engine or the Intake pipe supplied.
  • the filter element 4 has here as a filter medium high temperature resistant material, namely a stainless steel compact on and is designed as an inline filter.
  • the filter element also in the exhaust gas recirculation flange Suction pipe to be integrated. Furthermore, the filter element described above 4 also arranged in a gas supply of a crankcase ventilation become.
  • the connecting flange 5 according to FIG. 1 is thermally insulated on the suction device 6 arranged.
  • Sleeve 8 and exhaust gas recirculation pipe is another in the outlet area of the pipe thermally coupled from the exhaust gas recirculation pipe 7, Sleeve 9 provided. The exiting exhaust gas flows without heating the closer ones Environment of the suction device 6 in the collector for the intake air on.
  • Figure 2 shows a cleanable filter element 4, which consists of a Steel mesh 5 on which the soot particles of the exhaust gas attach.
  • the steel knitted fabric 12 is cleaned with a not shown here Voltage source connected via connections 10 and 11. When putting on An electric voltage at these connections heats up the knitted steel 12 to above the ignition temperature of the deposited soot. The soot is burned off and the resulting combustion gases via a flow reversal and a flow according to arrows 13, 14 supplied to the exhaust gas of the internal combustion engine.
  • FIG. 3a shows the production of the filter element 4 from, for example, one Steel fabric.
  • this is a wire conductor 15 consisting of a Large number of individual wires with electrical connections 10 and 11.
  • This wire conductor is inserted into the housing 16 of the filter element and closed the housing.
  • the wire conductor can be easier to maintain Way be removed from the housing and a new wire conductor can be insert easily (Figure 3b).
  • Figure 4a shows a schematic representation of an easy-change filter in which a steel mesh 12 is arranged.
  • This easy-change filter 16 is on one Filter head 17 attached to the input 18 and output 19 for the exhaust gas is connected.
  • FIG. 4b also shows a spin-on filter 16 in a schematic representation being in the filter head 17 in addition to the connections for input and an outlet of the exhaust gas, an exhaust gas recirculation valve 20 is provided, which controls the supply of the main gas to the suction device.
  • the Exhaust gas recirculation valve 20 is arranged on the clean side of the filter element, so that contamination of this valve is prevented.
  • Figure 5 shows a cooling device for the exhaust gas recirculation.
  • the exhaust gas will via the line 21 to the filter element 4 and flows over cleaned the exhaust gas recirculation connector 22 in the intake manifold plenum 23.
  • Zum Cooling the exhaust gas recirculation cooling water connections 24, 25 are provided.
  • the cooling water flows around the filter element 4 and ensures one constant outlet temperature of the exhaust gas in the intake manifold plenum 23.
  • Die Intake air mixed with exhaust gas passes through the intake flange 26 to the Internal combustion engine or the internal combustion engine, not shown here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtering Materials (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrostatic Separation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP01118209A 2000-08-07 2001-07-28 Dispositif de recirculation de gaz dans un moteur à combustion Expired - Lifetime EP1179673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20013534U 2000-08-07
DE20013534U DE20013534U1 (de) 2000-08-07 2000-08-07 Vorrichtung zur Rückführung von Gas an einem Verbrennungsmotor

Publications (3)

Publication Number Publication Date
EP1179673A2 true EP1179673A2 (fr) 2002-02-13
EP1179673A3 EP1179673A3 (fr) 2002-12-18
EP1179673B1 EP1179673B1 (fr) 2005-12-28

Family

ID=7944839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01118209A Expired - Lifetime EP1179673B1 (fr) 2000-08-07 2001-07-28 Dispositif de recirculation de gaz dans un moteur à combustion

Country Status (5)

Country Link
US (1) US6530366B2 (fr)
EP (1) EP1179673B1 (fr)
JP (1) JP2002130058A (fr)
AT (1) ATE314571T1 (fr)
DE (2) DE20013534U1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
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DE202007007146U1 (de) 2007-05-18 2008-10-02 Witzenmann Gmbh Entkoppelelement
DE102007033925A1 (de) * 2007-07-20 2009-01-22 Volkswagen Ag Abgasrückführeinrichtung
DE102009043577A1 (de) 2008-10-01 2010-05-12 Witzenmann Gmbh Entkoppelelement
US9795906B2 (en) 2004-11-05 2017-10-24 Donaldson Company, Inc. Filter medium and breather filter structure
WO2018020001A1 (fr) * 2016-07-29 2018-02-01 Elringklinger Ag Joint d'étanchéité de tamis et son procédé de fonctionnement
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
USRE47737E1 (en) 2004-11-05 2019-11-26 Donaldson Company, Inc. Filter medium and structure
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure

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US6810865B2 (en) * 2002-03-15 2004-11-02 Mann & Hummel Gmbh Exhaust gas recycle (EGR) assembly
EP1651911A4 (fr) * 2003-07-28 2010-09-01 Phillips & Temro Ind Inc Regulateur du rechauffeur de l'admission d'air
US20060196484A1 (en) * 2003-07-28 2006-09-07 Gill Alan P Capture and burn air heater
US20050092309A1 (en) * 2003-11-03 2005-05-05 Maciej Bedkowski Blowby gas separation system
US7121081B2 (en) * 2003-11-26 2006-10-17 Gsi Engine Management Group Exhaust gas recirculation afterburner
WO2005083240A1 (fr) * 2004-02-23 2005-09-09 Donaldson Company, Inc. Filtre de ventilation de carter
US7356987B2 (en) * 2004-07-30 2008-04-15 Caterpillar Inc. Exhaust gas recirculation system having an electrostatic precipitator
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
US8177875B2 (en) 2005-02-04 2012-05-15 Donaldson Company, Inc. Aerosol separator; and method
WO2006091594A1 (fr) 2005-02-22 2006-08-31 Donaldson Company, Inc. Separateur d’aerosol
US20070068141A1 (en) * 2005-06-15 2007-03-29 Opris Cornelius N Exhaust treatment system
US7107764B1 (en) * 2005-06-15 2006-09-19 Caterpillar Inc. Exhaust treatment system
US7434571B2 (en) 2005-10-31 2008-10-14 Caterpillar Inc. Closed crankcase ventilation system
US7320316B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Closed crankcase ventilation system
US7762060B2 (en) * 2006-04-28 2010-07-27 Caterpillar Inc. Exhaust treatment system
US20080078170A1 (en) * 2006-09-29 2008-04-03 Gehrke Christopher R Managing temperature in an exhaust treatment system
KR100737962B1 (ko) 2006-10-27 2007-07-13 쌍용자동차 주식회사 자동차용 이지알 부품이 통합된 이지알 연결장치
EP2117674A1 (fr) 2007-02-22 2009-11-18 Donaldson Company, Inc. Élément filtrant et procédé associé
WO2008103821A2 (fr) * 2007-02-23 2008-08-28 Donaldson Company, Inc. Élément de filtre formé
JP2008239425A (ja) * 2007-03-28 2008-10-09 Toyota Motor Corp 自動車部品
FR2920821A1 (fr) * 2007-09-12 2009-03-13 Renault Sas Dispositif de depollution des gaz d'echappement
FR2930278A1 (fr) * 2008-04-18 2009-10-23 Renault Sas Module de recirculation des gaz d'echappement
JP5005619B2 (ja) * 2008-06-18 2012-08-22 佐藤工業株式会社 濾過材の再生利用法
DE102008038983A1 (de) * 2008-08-13 2010-02-18 Emitec Gesellschaft Für Emissionstechnologie Mbh Partikelabfangvorrichtung für eine Abgasrückführleitung
JP5263191B2 (ja) * 2010-02-01 2013-08-14 三菱自動車工業株式会社 内燃機関の流体濾過冷却装置
JP4877415B2 (ja) * 2010-12-09 2012-02-15 トヨタ自動車株式会社 内燃機関の排気還流装置
US8979958B2 (en) * 2012-02-21 2015-03-17 Mann+Hummel Gmbh Air cleaner pre-filtration improvement
US8876961B2 (en) * 2012-02-21 2014-11-04 Mann+Hummel Gmbh Particle separator with deflector and lateral opening and air filter system
US20160215735A1 (en) * 2013-09-11 2016-07-28 International Engine Intellectual Property Company, Llc Thermal screen for an egr cooler
US20150128918A1 (en) * 2013-11-12 2015-05-14 Serge V. Monros Blow-by filter for internal combustion engines
KR20160057114A (ko) * 2014-11-13 2016-05-23 현대자동차주식회사 오일 세퍼레이터
JP2016151196A (ja) * 2015-02-16 2016-08-22 三菱重工業株式会社 排ガス再循環システム、およびこれを備えた舶用エンジン

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10610813B2 (en) 2004-11-05 2020-04-07 Donaldson Company, Inc. Filter medium and breather filter structure
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
USRE50226E1 (en) 2004-11-05 2024-12-03 Donaldson Company, Inc. Filter medium and structure
US9795906B2 (en) 2004-11-05 2017-10-24 Donaldson Company, Inc. Filter medium and breather filter structure
US11504663B2 (en) 2004-11-05 2022-11-22 Donaldson Company, Inc. Filter medium and breather filter structure
USRE49097E1 (en) 2004-11-05 2022-06-07 Donaldson Company, Inc. Filter medium and structure
USRE47737E1 (en) 2004-11-05 2019-11-26 Donaldson Company, Inc. Filter medium and structure
DE202007007146U1 (de) 2007-05-18 2008-10-02 Witzenmann Gmbh Entkoppelelement
DE102007033925A1 (de) * 2007-07-20 2009-01-22 Volkswagen Ag Abgasrückführeinrichtung
US8505286B2 (en) 2008-10-01 2013-08-13 Witzenmann Gmbh Decoupling element
DE102009043577B4 (de) * 2008-10-01 2014-01-23 Witzenmann Gmbh Entkoppelelement mit einem Filterelement
DE102009043577A1 (de) 2008-10-01 2010-05-12 Witzenmann Gmbh Entkoppelelement
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
WO2018020001A1 (fr) * 2016-07-29 2018-02-01 Elringklinger Ag Joint d'étanchéité de tamis et son procédé de fonctionnement

Also Published As

Publication number Publication date
US20020023629A1 (en) 2002-02-28
US6530366B2 (en) 2003-03-11
DE20013534U1 (de) 2000-10-12
JP2002130058A (ja) 2002-05-09
EP1179673A3 (fr) 2002-12-18
ATE314571T1 (de) 2006-01-15
DE50108512D1 (de) 2006-02-02
EP1179673B1 (fr) 2005-12-28

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